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Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

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Showing 106 to 120 of 169
This science fair project idea investigates the relationship between memory and age.
Middle School
Psychology and Sociology
This science fair project idea tests the efficiency of short term memory.
Middle School
Easy
The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.
Eighth Grade
Psychology and Sociology
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Elementary School
Third Grade
Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.
High School
Hard
This science fair project idea studies the differences in gender perception between people.
High School
Psychology and Sociology
In this project, a mnemonic is used to test how it increases memory.
Elementary School
Fifth Grade
Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.
Seventh Grade
Eighth Grade
This science fair project idea studies past and current fads and trends.
Middle School
Medium
Science fair project which determines whether people are more likely to follow rules if they are easy to understand.
Fifth Grade
Sixth Grade
Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.
Middle School
Life Science

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